Home / 11,589.71-15,993.89-6,284.57

Finding the Fourth Proportional to 11,589.71, 15,993.89 and 6,284.57

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Solution

The fourth proportional to 11,589.71, 15,993.89 and 6,284.57 is: 8,672.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.71 : 15,993.89 = 6,284.57 : x
  2. Step 2: Convert to fraction form
    11,589.71/15,993.89 = 6,284.57/x
  3. Step 3: Cross multiply
    11,589.71x = 15,993.89 × 6,284.57
  4. Step 4: Simplify right side
    11,589.71x = 100,514,609.89
  5. Step 5: Solve for x
    x = 100,514,609.89/11,589.71
  6. Step 6: Final answer
    x = 8,672.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.